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Allen Bradley 1746-OB32/D SLC 500 Digital DC Output Module
- Product Details
- FAQs
- Related
- Contact Us
- Packing & Delivery
- Product Ratings
Product Introduction
The Allen-Bradley 1746-OB32/D is a high-density DC digital output module designed for the SLC 500 programmable controller system. As a Series D version, it provides enhanced stability and compatibility within modernized SLC 500 installations while maintaining full backward compatibility with existing systems.
This module offers 32 transistor-based sourcing output channels, allowing efficient control of multiple DC field devices from a single module. It operates within a 5–50V DC output range, making it suitable for a wide variety of industrial applications including control of relays, solenoids, indicator lamps, and low-power actuators.
The 1746-OB32/D is built with a solid-state output structure, ensuring fast switching performance and reduced mechanical wear. Its compact, high-density design helps optimize cabinet space while maintaining reliable operation in demanding industrial environments.
Product Specifications
| Parameter | Description |
|---|---|
| Manufacturer | Allen-Bradley |
| Series | SLC 500 |
| Module Type | DC Digital Output Module |
| Catalog Number | 1746-OB32/D |
| Series Version | Series D |
| Module Classification | High-Density Output Module |
| Number of Channels | 32 Outputs |
| Output Type | Transistor Sourcing (PNP) |
| Output Voltage Range | 5–50V DC |
| Output Current (per channel) | Approx. 0.5 A (typical) |
| Total Module Current | Limited by thermal characteristics |
| Output Configuration | Solid-state transistor outputs |
| Switching Speed | High-speed |
| Isolation | Group isolation (backplane to field) |
| Backplane Current Consumption | Approx. 0.270 A |
| Operating Temperature | 0 to 60°C |
| Storage Temperature | -40 to 85°C |
| Installation | SLC 500 Chassis |
| Wiring Category | Category 1 |
| Dimensions | 144.5 × 34.6 × 130.18 mm |
| Weight | 0.23 kg |
Applications
● High-Density Automation Systems
Designed for systems requiring a large number of DC outputs within limited panel space.
● Industrial Machine Control
Controls actuators, relays, and indicator devices in automated equipment and machinery.
● Packaging and Assembly Lines
Supports fast and reliable switching in high-speed production environments.
● Material Handling Systems
Used to control conveyors, sorting equipment, and positioning devices.
● Distributed Control Panels
Ideal for centralized control of multiple output devices in complex systems.
Advantages
● 32-Channel High-Density Design
Maximizes output capacity while minimizing required rack space.
● Fast Transistor Switching
Enables rapid response for time-critical control applications.
● Wide DC Voltage Compatibility
Supports 5–50V DC, making it adaptable to various field devices.
● Improved Series D Reliability
Enhanced design provides better stability and performance consistency.
● Solid-State Durability
Eliminates mechanical wear, ensuring long-term reliable operation.
● Efficient System Integration
Fully compatible with SLC 500 architecture for easy deployment.
FAQ
- What type of output configuration does the 1746-OB32/D use?
The module uses transistor-based sourcing (PNP) outputs, supplying voltage to the load when the output is activated. - What distinguishes Series D from earlier versions?
Series D modules generally include internal design improvements for better electrical stability, noise resistance, and compatibility with updated system requirements. - Can this module drive inductive loads directly?
Yes, but it is recommended to use external suppression devices such as flyback diodes to protect the outputs from voltage spikes. - Is individual channel isolation provided?
No, outputs are grouped. Isolation is provided between the field side and the backplane rather than between individual channels. - What happens if an output is overloaded?
Excessive current can cause overheating and potential damage to the output transistor, so loads must be properly rated. - Is the module suitable for high-speed switching?
Yes, the solid-state transistor design supports fast switching, making it suitable for dynamic control applications. - Can it be used with AC loads?
No, this module is strictly designed for DC outputs. Using AC loads may result in malfunction or equipment damage. - What wiring practices are recommended?
Proper grounding, separation from high-voltage wiring, and the use of suitable wire gauges are essential for reliable operation. - Does the module include short-circuit protection?
Basic internal protection exists, but external protection measures are recommended for critical systems. - How does the module perform in continuous operation environments?
It is designed for continuous industrial use, provided operating conditions remain within specified electrical and environmental limits.
Related Models
| Model | Description |
|---|---|
| 1746-OB32 | 32-Channel DC Output Module (Series A/B) |
| 1746-OB16 | 16-Channel DC Output Module |
| 1746-OB8 | 8-Channel DC Output Module |
| 1746-OW16 | 16-Channel Relay Output Module |
| 1746-OA8 | 8-Channel AC Output Module |
| 1746-IB32 | 32-Channel DC Input Module |
Popular Models
| Model | Description |
|---|---|
| 1747-L541 | SLC 5/04 Processor |
| 1747-L552 | SLC 5/05 Ethernet Processor |
| 1746-NI16V | 16-Channel Analog Input Module |
| 1746-NO8I | 8-Channel Analog Output Module |
| 1746-IA16 | 16-Channel AC Input Module |
| 1746-P2 | Power Supply Module |
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Excellent PLC Co., Ltd. has a large number of brand new and original PLC and DCS spare parts, with more than 60 cooperative countries. All products are guaranteed for 1 year and delivered to you by high-quality express. We are committed to using the best products and the most favorable prices to meet the needs and friendship of our customers. We have won the trust of thousands of customers, including these excellent customers.
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